23154233132 has 12 divisors (see below), whose sum is σ = 40535809776. Its totient is φ = 11572573200.

The previous prime is 23154233107. The next prime is 23154233149. The reversal of 23154233132 is 23133245132.

It is a happy number.

It is a super-2 number, since 2×23154233132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23154233095 and 23154233104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124363 + ... + 1144770.

It is an arithmetic number, because the mean of its divisors is an integer number (3377984148).

Almost surely, 2^23154233132 is an apocalyptic number.

It is an amenable number.

23154233132 is a deficient number, since it is larger than the sum of its proper divisors (17381576644).

23154233132 is a wasteful number, since it uses less digits than its factorization.

23154233132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271688 (or 2271686 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

Adding to 23154233132 its reverse (23133245132), we get a palindrome (46287478264).

The spelling of 23154233132 in words is "twenty-three billion, one hundred fifty-four million, two hundred thirty-three thousand, one hundred thirty-two".