1423651077 has 48 divisors (see below), whose sum is σ = 2249275392. Its totient is φ = 864138240.

The previous prime is 1423651049. The next prime is 1423651129. The reversal of 1423651077 is 7701563241.

It is a happy number.

1423651077 is a `hidden beast` number, since 1 + 42 + 36 + 510 + 77 = 666.

It is not a de Polignac number, because 1423651077 - 2²⁰ = 1422602501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423651007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 795778 + ... + 797564.

It is an arithmetic number, because the mean of its divisors is an integer number (46859904).

Almost surely, 2^1423651077 is an apocalyptic number.

1423651077 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1423651077 is a deficient number, since it is larger than the sum of its proper divisors (825624315).

1423651077 is a wasteful number, since it uses less digits than its factorization.

1423651077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1978 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1423651077 is about 37731.3010244810. The cubic root of 1423651077 is about 1124.9533681412.

The spelling of 1423651077 in words is "one billion, four hundred twenty-three million, six hundred fifty-one thousand, seventy-seven".