1423750401 has 6 divisors (see below), whose sum is σ = 2056528370. Its totient is φ = 949166928.

The previous prime is 1423750399. The next prime is 1423750411. The reversal of 1423750401 is 1040573241.

It can be written as a sum of positive squares in only one way, i.e., 1286298225 + 137452176 = 35865^2 + 11724^2 .

It is not a de Polignac number, because 1423750401 - 2¹ = 1423750399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423750411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79097236 + ... + 79097253.

Almost surely, 2^1423750401 is an apocalyptic number.

It is an amenable number.

1423750401 is a deficient number, since it is larger than the sum of its proper divisors (632777969).

1423750401 is a wasteful number, since it uses less digits than its factorization.

1423750401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158194495 (or 158194492 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1423750401 is about 37732.6172031573. The cubic root of 1423750401 is about 1124.9795291090.

The spelling of 1423750401 in words is "one billion, four hundred twenty-three million, seven hundred fifty thousand, four hundred one".