23140554455 has 16 divisors (see below), whose sum is σ = 28480019904. Its totient is φ = 18042835200.

The previous prime is 23140554443. The next prime is 23140554457. The reversal of 23140554455 is 55445504132.

It is not a de Polignac number, because 23140554455 - 2¹⁸ = 23140292311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140554457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249134 + ... + 329163.

It is an arithmetic number, because the mean of its divisors is an integer number (1780001244).

Almost surely, 2^23140554455 is an apocalyptic number.

23140554455 is a deficient number, since it is larger than the sum of its proper divisors (5339465449).

23140554455 is a wasteful number, since it uses less digits than its factorization.

23140554455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578506.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 23140554455 in words is "twenty-three billion, one hundred forty million, five hundred fifty-four thousand, four hundred fifty-five".