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23231312301 = 331721934603
BaseRepresentation
bin10101101000101100…
…011011000110101101
32012222000210221102010
4111220230123012231
5340034203443201
614401115351433
71451456616321
oct255054330655
965860727363
1023231312301
11994151985a
124604152579
132262c8a852
1411a5501981
1590e7a1bd6
hex568b1b1ad

23231312301 has 16 divisors (see below), whose sum is σ = 31979632640. Its totient is φ = 14985434160.

The previous prime is 23231312287. The next prime is 23231312317. The reversal of 23231312301 is 10321313232.

It is not a de Polignac number, because 23231312301 - 210 = 23231311277 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 (23231312701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654066 + ... + 688668.

It is an arithmetic number, because the mean of its divisors is an integer number (1998727040).

Almost surely, 223231312301 is an apocalyptic number.

It is an amenable number.

23231312301 is a deficient number, since it is larger than the sum of its proper divisors (8748320339).

23231312301 is a wasteful number, since it uses less digits than its factorization.

23231312301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41856.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23231312301 its reverse (10321313232), we get a palindrome (33552625533).

The spelling of 23231312301 in words is "twenty-three billion, two hundred thirty-one million, three hundred twelve thousand, three hundred one".

Divisors: 1 3 31 93 7219 21657 34603 103809 223789 671367 1072693 3218079 249799057 749397171 7743770767 23231312301