23154131198 has 64 divisors (see below), whose sum is σ = 39630919680. Its totient is φ = 10050480000.

The previous prime is 23154131197. The next prime is 23154131207. The reversal of 23154131198 is 89113145132.

It is a super-2 number, since 2×23154131198² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154131191) 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, 24605408 + ... + 24606348.

It is an arithmetic number, because the mean of its divisors is an integer number (619233120).

Almost surely, 2^23154131198 is an apocalyptic number.

23154131198 is a deficient number, since it is larger than the sum of its proper divisors (16476788482).

23154131198 is a wasteful number, since it uses less digits than its factorization.

23154131198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425.

The product of its digits is 25920, while the sum is 38.

The spelling of 23154131198 in words is "twenty-three billion, one hundred fifty-four million, one hundred thirty-one thousand, one hundred ninety-eight".