23003506155 has 32 divisors (see below), whose sum is σ = 42283819008. Its totient is φ = 10460822400.

The previous prime is 23003506117. The next prime is 23003506159. The reversal of 23003506155 is 55160530032.

It is not a de Polignac number, because 23003506155 - 2⁹ = 23003505643 is a prime.

It is a super-2 number, since 2×23003506155² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23003506159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553456 + ... + 593565.

It is an arithmetic number, because the mean of its divisors is an integer number (1321369344).

Almost surely, 2^23003506155 is an apocalyptic number.

23003506155 is a deficient number, since it is larger than the sum of its proper divisors (19280312853).

23003506155 is a wasteful number, since it uses less digits than its factorization.

23003506155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147227.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 23003506155 in words is "twenty-three billion, three million, five hundred six thousand, one hundred fifty-five".