1121477423 has 16 divisors (see below), whose sum is σ = 1248773760. Its totient is φ = 998580000.

The previous prime is 1121477407. The next prime is 1121477429. The reversal of 1121477423 is 3247741211.

It is not a de Polignac number, because 1121477423 - 2⁴ = 1121477407 is a prime.

It is a super-2 number, since 2×1121477423² = 2515423220597441858, 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 1121477423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121477429) 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, 127673 + ... + 136173.

It is an arithmetic number, because the mean of its divisors is an integer number (78048360).

Almost surely, 2^1121477423 is an apocalyptic number.

1121477423 is a deficient number, since it is larger than the sum of its proper divisors (127296337).

1121477423 is a wasteful number, since it uses less digits than its factorization.

1121477423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758.

The product of its digits is 9408, while the sum is 32.

The square root of 1121477423 is about 33488.4670147799. The cubic root of 1121477423 is about 1038.9552572422.

The spelling of 1121477423 in words is "one billion, one hundred twenty-one million, four hundred seventy-seven thousand, four hundred twenty-three".