23040021142 has 8 divisors (see below), whose sum is σ = 34560957816. Its totient is φ = 11519701872.

The previous prime is 23040021131. The next prime is 23040021197. The reversal of 23040021142 is 24112004032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45783 + ... + 219490.

It is an arithmetic number, because the mean of its divisors is an integer number (4320119727).

Almost surely, 2^23040021142 is an apocalyptic number.

23040021142 is a deficient number, since it is larger than the sum of its proper divisors (11520936674).

23040021142 is a wasteful number, since it uses less digits than its factorization.

23040021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308702.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23040021142 its reverse (24112004032), we get a palindrome (47152025174).

The spelling of 23040021142 in words is "twenty-three billion, forty million, twenty-one thousand, one hundred forty-two".