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122300113423 = 177194124319
BaseRepresentation
bin111000111100110100…
…1111010001000001111
3102200200022020110221111
41301321221322020033
54000432312112143
6132103415512451
711556465545305
oct1617151721017
9380608213844
10122300113423
114795a253404
121b852088727
13b6c089c027
145cc2a04275
1532abd9a99d
hex1c79a7a20f

122300113423 has 4 divisors (see below), whose sum is σ = 129494237760. Its totient is φ = 115105989088.

The previous prime is 122300113421. The next prime is 122300113447. The reversal of 122300113423 is 324311003221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324311003221 = 617525625613.

It is a cyclic number.

It is not a de Polignac number, because 122300113423 - 21 = 122300113421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122300113394 and 122300113403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122300113421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3597062143 + ... + 3597062176.

It is an arithmetic number, because the mean of its divisors is an integer number (32373559440).

Almost surely, 2122300113423 is an apocalyptic number.

122300113423 is a deficient number, since it is larger than the sum of its proper divisors (7194124337).

122300113423 is an equidigital number, since it uses as much as digits as its factorization.

122300113423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194124336.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 122300113423 its reverse (324311003221), we get a palindrome (446611116644).

The spelling of 122300113423 in words is "one hundred twenty-two billion, three hundred million, one hundred thirteen thousand, four hundred twenty-three".

Divisors: 1 17 7194124319 122300113423