23011222115 has 16 divisors (see below), whose sum is σ = 31560759552. Its totient is φ = 15777867744.

The previous prime is 23011222081. The next prime is 23011222141. The reversal of 23011222115 is 51122211032.

It is a cyclic number.

It is not a de Polignac number, because 23011222115 - 2¹⁰ = 23011221091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717452 + ... + 748838.

It is an arithmetic number, because the mean of its divisors is an integer number (1972547472).

Almost surely, 2^23011222115 is an apocalyptic number.

23011222115 is a deficient number, since it is larger than the sum of its proper divisors (8549537437).

23011222115 is a wasteful number, since it uses less digits than its factorization.

23011222115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52346.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 23011222115 its reverse (51122211032), we get a palindrome (74133433147).

The spelling of 23011222115 in words is "twenty-three billion, eleven million, two hundred twenty-two thousand, one hundred fifteen".