23142365945 has 4 divisors (see below), whose sum is σ = 27770839140. Its totient is φ = 18513892752.

The previous prime is 23142365927. The next prime is 23142365971. The reversal of 23142365945 is 54956324132.

It is a happy number.

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 18107470096 + 5034895849 = 134564^2 + 70957^2 .

It is a cyclic number.

It is not a de Polignac number, because 23142365945 - 2¹⁴ = 23142349561 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23142365896 and 23142365905.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314236590 + ... + 2314236599.

It is an arithmetic number, because the mean of its divisors is an integer number (6942709785).

Almost surely, 2^23142365945 is an apocalyptic number.

It is an amenable number.

23142365945 is a deficient number, since it is larger than the sum of its proper divisors (4628473195).

23142365945 is an equidigital number, since it uses as much as digits as its factorization.

23142365945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628473194.

The product of its digits is 777600, while the sum is 44.

The spelling of 23142365945 in words is "twenty-three billion, one hundred forty-two million, three hundred sixty-five thousand, nine hundred forty-five".