23398190554 has 8 divisors (see below), whose sum is σ = 35223991668. Its totient is φ = 11656860000.

The previous prime is 23398190531. The next prime is 23398190561. The reversal of 23398190554 is 45509189332.

It can be written as a sum of positive squares in 2 ways, for example, as 22884125625 + 514064929 = 151275^2 + 22673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23398190498 and 23398190507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21116947 + ... + 21118054.

Almost surely, 2^23398190554 is an apocalyptic number.

23398190554 is a deficient number, since it is larger than the sum of its proper divisors (11825801114).

23398190554 is a wasteful number, since it uses less digits than its factorization.

23398190554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42235280.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 23398190554 in words is "twenty-three billion, three hundred ninety-eight million, one hundred ninety thousand, five hundred fifty-four".