23279477743 has 2 divisors, whose sum is σ = 23279477744. Its totient is φ = 23279477742.

The previous prime is 23279477717. The next prime is 23279477783. The reversal of 23279477743 is 34777497232.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23279477743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23279477783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11639738871 + 11639738872.

It is an arithmetic number, because the mean of its divisors is an integer number (11639738872).

Almost surely, 2^23279477743 is an apocalyptic number.

23279477743 is a deficient number, since it is larger than the sum of its proper divisors (1).

23279477743 is an equidigital number, since it uses as much as digits as its factorization.

23279477743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12446784, while the sum is 55.

The spelling of 23279477743 in words is "twenty-three billion, two hundred seventy-nine million, four hundred seventy-seven thousand, seven hundred forty-three".