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123114413 = 1151106963
BaseRepresentation
bin1110101011010…
…01001110101101
322120122212020002
413111221032231
5223004130123
620114434045
73023312102
oct725511655
9276585202
10123114413
1163549754
1235292925
131c677686
14124caaa9
15ac1d528
hex75693ad

123114413 has 4 divisors (see below), whose sum is σ = 123222528. Its totient is φ = 123006300.

The previous prime is 123114401. The next prime is 123114473. The reversal of 123114413 is 314411321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314411321 = 744915903.

It is a cyclic number.

It is not a de Polignac number, because 123114413 - 28 = 123114157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123114473) 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, 52331 + ... + 54632.

It is an arithmetic number, because the mean of its divisors is an integer number (30805632).

Almost surely, 2123114413 is an apocalyptic number.

It is an amenable number.

123114413 is a deficient number, since it is larger than the sum of its proper divisors (108115).

123114413 is a wasteful number, since it uses less digits than its factorization.

123114413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108114.

The product of its digits is 288, while the sum is 20.

The square root of 123114413 is about 11095.6934438547. The cubic root of 123114413 is about 497.4731354230.

Adding to 123114413 its reverse (314411321), we get a palindrome (437525734).

The spelling of 123114413 in words is "one hundred twenty-three million, one hundred fourteen thousand, four hundred thirteen".

Divisors: 1 1151 106963 123114413