23314473145721 has 8 divisors (see below), whose sum is σ = 23886313357704. Its totient is φ = 22742785054080.

The previous prime is 23314473145633. The next prime is 23314473145727. The reversal of 23314473145721 is 12754137441332.

It can be written as a sum of positive squares in 4 ways, for example, as 11116462866496 + 12198010279225 = 3334136^2 + 3492565^2 .

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 23314473145721 - 2⁴² = 18916426634617 is a prime.

It is a super-2 number, since 2×23314473145721² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23314473145727) 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, 37719770 + ... + 38332883.

It is an arithmetic number, because the mean of its divisors is an integer number (2985789169713).

Almost surely, 2^{23314473145721} is an apocalyptic number.

It is an amenable number.

23314473145721 is a deficient number, since it is larger than the sum of its proper divisors (571840211983).

23314473145721 is an equidigital number, since it uses as much as digits as its factorization.

23314473145721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76060171.

The product of its digits is 1693440, while the sum is 47.

The spelling of 23314473145721 in words is "twenty-three trillion, three hundred fourteen billion, four hundred seventy-three million, one hundred forty-five thousand, seven hundred twenty-one".