23445802357 has 8 divisors (see below), whose sum is σ = 23697206712. Its totient is φ = 23194776000.

The previous prime is 23445802351. The next prime is 23445802363. The reversal of 23445802357 is 75320854432.

It is an interprime number because it is at equal distance from previous prime (23445802351) and next prime (23445802363).

It can be written as a sum of positive squares in 4 ways, for example, as 15637252401 + 7808549956 = 125049^2 + 88366^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23445802357 - 2³ = 23445802349 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 (23445802351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31107 + ... + 218767.

It is an arithmetic number, because the mean of its divisors is an integer number (2962150839).

Almost surely, 2^23445802357 is an apocalyptic number.

It is an amenable number.

23445802357 is a deficient number, since it is larger than the sum of its proper divisors (251404355).

23445802357 is a wasteful number, since it uses less digits than its factorization.

23445802357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188999.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 23445802357 in words is "twenty-three billion, four hundred forty-five million, eight hundred two thousand, three hundred fifty-seven".