1295023823 has 2 divisors, whose sum is σ = 1295023824. Its totient is φ = 1295023822.

The previous prime is 1295023813. The next prime is 1295023837. The reversal of 1295023823 is 3283205921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1295023823 - 2⁸ = 1295023567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1295023813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647511911 + 647511912.

It is an arithmetic number, because the mean of its divisors is an integer number (647511912).

Almost surely, 2^1295023823 is an apocalyptic number.

1295023823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295023823 is an equidigital number, since it uses as much as digits as its factorization.

1295023823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1295023823 is about 35986.4394320972. The cubic root of 1295023823 is about 1089.9985475390.

The spelling of 1295023823 in words is "one billion, two hundred ninety-five million, twenty-three thousand, eight hundred twenty-three".