1425764823 has 16 divisors (see below), whose sum is σ = 2300394240. Its totient is φ = 766797696.

The previous prime is 1425764737. The next prime is 1425764833. The reversal of 1425764823 is 3284675241.

It is not a de Polignac number, because 1425764823 - 2⁸ = 1425764567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425764833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1996513 + ... + 1997226.

It is an arithmetic number, because the mean of its divisors is an integer number (143774640).

Almost surely, 2^1425764823 is an apocalyptic number.

1425764823 is a deficient number, since it is larger than the sum of its proper divisors (874629417).

1425764823 is a wasteful number, since it uses less digits than its factorization.

1425764823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993766.

The product of its digits is 322560, while the sum is 42.

The square root of 1425764823 is about 37759.3011455456. The cubic root of 1425764823 is about 1125.5098457444.

The spelling of 1425764823 in words is "one billion, four hundred twenty-five million, seven hundred sixty-four thousand, eight hundred twenty-three".