1072319423 has 16 divisors (see below), whose sum is σ = 1257501696. Its totient is φ = 895255200.

The previous prime is 1072319401. The next prime is 1072319431. The reversal of 1072319423 is 3249132701.

It is not a de Polignac number, because 1072319423 - 2¹⁴ = 1072303039 is a prime.

It is a super-2 number, since 2×1072319423² = 2299737889886105858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072319423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072319023) 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, 107498 + ... + 117048.

It is an arithmetic number, because the mean of its divisors is an integer number (78593856).

Almost surely, 2^1072319423 is an apocalyptic number.

1072319423 is a deficient number, since it is larger than the sum of its proper divisors (185182273).

1072319423 is an equidigital number, since it uses as much as digits as its factorization.

1072319423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9974.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1072319423 is about 32746.2886904761. The cubic root of 1072319423 is about 1023.5476310875.

The spelling of 1072319423 in words is "one billion, seventy-two million, three hundred nineteen thousand, four hundred twenty-three".