23550511142 has 4 divisors (see below), whose sum is σ = 35325766716. Its totient is φ = 11775255570.

The previous prime is 23550511129. The next prime is 23550511157. The reversal of 23550511142 is 24111505532.

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

It is a super-2 number, since 2×23550511142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5887627784 + ... + 5887627787.

It is an arithmetic number, because the mean of its divisors is an integer number (8831441679).

Almost surely, 2^23550511142 is an apocalyptic number.

23550511142 is a deficient number, since it is larger than the sum of its proper divisors (11775255574).

23550511142 is a wasteful number, since it uses less digits than its factorization.

23550511142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11775255573.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 23550511142 in words is "twenty-three billion, five hundred fifty million, five hundred eleven thousand, one hundred forty-two".