23425746829 has 4 divisors (see below), whose sum is σ = 23522949340. Its totient is φ = 23328544320.

The previous prime is 23425746823. The next prime is 23425746889. The reversal of 23425746829 is 92864752432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21022100100 + 2403646729 = 144990^2 + 49027^2 .

It is a cyclic number.

It is not a de Polignac number, because 23425746829 - 2³ = 23425746821 is a prime.

It is a super-2 number, since 2×23425746829² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23425746821) 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, 48600894 + ... + 48601375.

It is an arithmetic number, because the mean of its divisors is an integer number (5880737335).

Almost surely, 2^23425746829 is an apocalyptic number.

It is an amenable number.

23425746829 is a deficient number, since it is larger than the sum of its proper divisors (97202511).

23425746829 is an equidigital number, since it uses as much as digits as its factorization.

23425746829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97202510.

The product of its digits is 5806080, while the sum is 52.

The spelling of 23425746829 in words is "twenty-three billion, four hundred twenty-five million, seven hundred forty-six thousand, eight hundred twenty-nine".