1423407537 has 12 divisors (see below), whose sum is σ = 2106180804. Its totient is φ = 925793280.

The previous prime is 1423407529. The next prime is 1423407547. The reversal of 1423407537 is 7357043241.

It can be written as a sum of positive squares in 2 ways, for example, as 718186401 + 705221136 = 26799^2 + 26556^2 .

It is not a de Polignac number, because 1423407537 - 2³ = 1423407529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423407547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1928368 + ... + 1929105.

It is an arithmetic number, because the mean of its divisors is an integer number (175515067).

Almost surely, 2^1423407537 is an apocalyptic number.

It is an amenable number.

1423407537 is a deficient number, since it is larger than the sum of its proper divisors (682773267).

1423407537 is a wasteful number, since it uses less digits than its factorization.

1423407537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857520 (or 3857517 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 1423407537 is about 37728.0735924855. The cubic root of 1423407537 is about 1124.8892169430.

The spelling of 1423407537 in words is "one billion, four hundred twenty-three million, four hundred seven thousand, five hundred thirty-seven".