23453591677 has 4 divisors (see below), whose sum is σ = 23851110240. Its totient is φ = 23056073116.

The previous prime is 23453591639. The next prime is 23453591719. The reversal of 23453591677 is 77619535432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23453591677 - 2¹⁹ = 23453067389 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 (23453591617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198759193 + ... + 198759310.

It is an arithmetic number, because the mean of its divisors is an integer number (5962777560).

Almost surely, 2^23453591677 is an apocalyptic number.

It is an amenable number.

23453591677 is a deficient number, since it is larger than the sum of its proper divisors (397518563).

23453591677 is an equidigital number, since it uses as much as digits as its factorization.

23453591677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397518562.

The product of its digits is 4762800, while the sum is 52.

The spelling of 23453591677 in words is "twenty-three billion, four hundred fifty-three million, five hundred ninety-one thousand, six hundred seventy-seven".