23151544534 has 8 divisors (see below), whose sum is σ = 34740040968. Its totient is φ = 11571530880.

The previous prime is 23151544499. The next prime is 23151544583. The reversal of 23151544534 is 43544515132.

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 = 23151544493 and 23151544502.

It is a congruent number.

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, 2113867 + ... + 2124790.

It is an arithmetic number, because the mean of its divisors is an integer number (4342505121).

Almost surely, 2^23151544534 is an apocalyptic number.

23151544534 is a deficient number, since it is larger than the sum of its proper divisors (11588496434).

23151544534 is a wasteful number, since it uses less digits than its factorization.

23151544534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241390.

The product of its digits is 144000, while the sum is 37.

The spelling of 23151544534 in words is "twenty-three billion, one hundred fifty-one million, five hundred forty-four thousand, five hundred thirty-four".