23020155044 has 24 divisors (see below), whose sum is σ = 41063718528. Its totient is φ = 11287858400.

The previous prime is 23020155031. The next prime is 23020155101. The reversal of 23020155044 is 44055102032.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475319 + ... + 521505.

It is an arithmetic number, because the mean of its divisors is an integer number (1710988272).

Almost surely, 2^23020155044 is an apocalyptic number.

It is an amenable number.

23020155044 is a deficient number, since it is larger than the sum of its proper divisors (18043563484).

23020155044 is a wasteful number, since it uses less digits than its factorization.

23020155044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48595 (or 48593 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 23020155044 its reverse (44055102032), we get a palindrome (67075257076).

The spelling of 23020155044 in words is "twenty-three billion, twenty million, one hundred fifty-five thousand, forty-four".