23025515411554 has 4 divisors (see below), whose sum is σ = 34538273117334. Its totient is φ = 11512757705776.

The previous prime is 23025515411551. The next prime is 23025515411579. The reversal of 23025515411554 is 45511451552032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21386416457025 + 1639098954529 = 4624545^2 + 1280273^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23025515411554.

It is not an unprimeable number, because it can be changed into a prime (23025515411551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756378852887 + ... + 5756378852890.

Almost surely, 2^{23025515411554} is an apocalyptic number.

23025515411554 is a deficient number, since it is larger than the sum of its proper divisors (11512757705780).

23025515411554 is a wasteful number, since it uses less digits than its factorization.

23025515411554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512757705779.

The product of its (nonzero) digits is 600000, while the sum is 43.

Adding to 23025515411554 its reverse (45511451552032), we get a palindrome (68536966963586).

The spelling of 23025515411554 in words is "twenty-three trillion, twenty-five billion, five hundred fifteen million, four hundred eleven thousand, five hundred fifty-four".