23220332287504 has 45 divisors (see below), whose sum is σ = 49451603413261. Its totient is φ = 10554600119360.

The previous prime is 23220332287483. The next prime is 23220332287513. The reversal of 23220332287504 is 40578223302232.

The square root of 23220332287504 is 4818748.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1175879984400 + 22044452303104 = 1084380^2 + 4695152^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 211970154 + ... + 212079670.

Almost surely, 2^{23220332287504} is an apocalyptic number.

23220332287504 is the 4818748-th square number.

It is an amenable number.

23220332287504 is an abundant number, since it is smaller than the sum of its proper divisors (26231271125757).

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

23220332287504 is an frugal number, since it uses more digits than its factorization.

23220332287504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219064 (or 109530 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 43.

Adding to 23220332287504 its reverse (40578223302232), we get a palindrome (63798555589736).

The spelling of 23220332287504 in words is "twenty-three trillion, two hundred twenty billion, three hundred thirty-two million, two hundred eighty-seven thousand, five hundred four".