23612321155 has 8 divisors (see below), whose sum is σ = 29826090000. Its totient is φ = 17895653856.

The previous prime is 23612321143. The next prime is 23612321167. The reversal of 23612321155 is 55112321632.

It is an interprime number because it is at equal distance from previous prime (23612321143) and next prime (23612321167).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23612321155 - 2⁷ = 23612321027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124275280 + ... + 124275469.

It is an arithmetic number, because the mean of its divisors is an integer number (3728261250).

Almost surely, 2^23612321155 is an apocalyptic number.

23612321155 is a deficient number, since it is larger than the sum of its proper divisors (6213768845).

23612321155 is a wasteful number, since it uses less digits than its factorization.

23612321155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248550773.

The product of its digits is 10800, while the sum is 31.

Adding to 23612321155 its reverse (55112321632), we get a palindrome (78724642787).

The spelling of 23612321155 in words is "twenty-three billion, six hundred twelve million, three hundred twenty-one thousand, one hundred fifty-five".