23144022420 has 48 divisors (see below), whose sum is σ = 64936411008. Its totient is φ = 6159058560.

The previous prime is 23144022409. The next prime is 23144022469. The reversal of 23144022420 is 2422044132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366811 + ... + 425250.

It is an arithmetic number, because the mean of its divisors is an integer number (1352841896).

Almost surely, 2^23144022420 is an apocalyptic number.

23144022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144022420 is an abundant number, since it is smaller than the sum of its proper divisors (41792388588).

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

23144022420 is a wasteful number, since it uses less digits than its factorization.

23144022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792560 (or 792558 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 23144022420 its reverse (2422044132), we get a palindrome (25566066552).

The spelling of 23144022420 in words is "twenty-three billion, one hundred forty-four million, twenty-two thousand, four hundred twenty".