23870021722134 has 64 divisors (see below), whose sum is σ = 56877675835392. Its totient is φ = 6534659376000.

The previous prime is 23870021722121. The next prime is 23870021722147. The reversal of 23870021722134 is 43122712007832.

It is an interprime number because it is at equal distance from previous prime (23870021722121) and next prime (23870021722147).

It is a super-2 number, since 2×23870021722134² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90627657 + ... + 90890660.

It is an arithmetic number, because the mean of its divisors is an integer number (888713684928).

Almost surely, 2^{23870021722134} is an apocalyptic number.

23870021722134 is an abundant number, since it is smaller than the sum of its proper divisors (33007654113258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23870021722134 is a wasteful number, since it uses less digits than its factorization.

23870021722134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181518461.

The product of its (nonzero) digits is 225792, while the sum is 42.

Adding to 23870021722134 its reverse (43122712007832), we get a palindrome (66992733729966).

The spelling of 23870021722134 in words is "twenty-three trillion, eight hundred seventy billion, twenty-one million, seven hundred twenty-two thousand, one hundred thirty-four".