23522052154 has 4 divisors (see below), whose sum is σ = 35283078234. Its totient is φ = 11761026076.

The previous prime is 23522052121. The next prime is 23522052161. The reversal of 23522052154 is 45125022532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22312890625 + 1209161529 = 149375^2 + 34773^2 .

It is a super-3 number, since 3×23522052154³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5880513037 + ... + 5880513040.

Almost surely, 2^23522052154 is an apocalyptic number.

23522052154 is a deficient number, since it is larger than the sum of its proper divisors (11761026080).

23522052154 is a wasteful number, since it uses less digits than its factorization.

23522052154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761026079.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 23522052154 its reverse (45125022532), we get a palindrome (68647074686).

The spelling of 23522052154 in words is "twenty-three billion, five hundred twenty-two million, fifty-two thousand, one hundred fifty-four".