1423645374 has 32 divisors (see below), whose sum is σ = 2932554240. Its totient is φ = 460410912.

The previous prime is 1423645373. The next prime is 1423645381. The reversal of 1423645374 is 4735463241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423645373) 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, 70767 + ... + 88629.

It is an arithmetic number, because the mean of its divisors is an integer number (91642320).

Almost surely, 2^1423645374 is an apocalyptic number.

1423645374 is an abundant number, since it is smaller than the sum of its proper divisors (1508908866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423645374 is a wasteful number, since it uses less digits than its factorization.

1423645374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18264.

The product of its digits is 241920, while the sum is 39.

The square root of 1423645374 is about 37731.2254505469. The cubic root of 1423645374 is about 1124.9518659900.

The spelling of 1423645374 in words is "one billion, four hundred twenty-three million, six hundred forty-five thousand, three hundred seventy-four".