23247378151 has 4 divisors (see below), whose sum is σ = 23297158872. Its totient is φ = 23197597432.

The previous prime is 23247378109. The next prime is 23247378157. The reversal of 23247378151 is 15187374232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23247378151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23247378098 and 23247378107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23247378157) 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, 24889660 + ... + 24890593.

It is an arithmetic number, because the mean of its divisors is an integer number (5824289718).

Almost surely, 2^23247378151 is an apocalyptic number.

23247378151 is a deficient number, since it is larger than the sum of its proper divisors (49780721).

23247378151 is an equidigital number, since it uses as much as digits as its factorization.

23247378151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49780720.

The product of its digits is 282240, while the sum is 43.

The spelling of 23247378151 in words is "twenty-three billion, two hundred forty-seven million, three hundred seventy-eight thousand, one hundred fifty-one".