23040011142 has 20 divisors (see below), whose sum is σ = 51626691996. Its totient is φ = 7680003660.

The previous prime is 23040011101. The next prime is 23040011167. The reversal of 23040011142 is 24111004032.

It is a super-2 number, since 2×23040011142² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 71110984 + ... + 71111307.

Almost surely, 2^23040011142 is an apocalyptic number.

23040011142 is an abundant number, since it is smaller than the sum of its proper divisors (28586680854).

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

23040011142 is a wasteful number, since it uses less digits than its factorization.

23040011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142222305 (or 142222296 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23040011142 its reverse (24111004032), we get a palindrome (47151015174).

The spelling of 23040011142 in words is "twenty-three billion, forty million, eleven thousand, one hundred forty-two".