2090811123 has 12 divisors (see below), whose sum is σ = 3131914968. Its totient is φ = 1393873920.

The previous prime is 2090811101. The next prime is 2090811131. The reversal of 2090811123 is 3211180902.

It is not a de Polignac number, because 2090811123 - 2¹⁷ = 2090680051 is a prime.

It is a super-2 number, since 2×2090811123² = 8742982304121042258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2090811823) 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, 4301838 + ... + 4302323.

It is an arithmetic number, because the mean of its divisors is an integer number (260992914).

Almost surely, 2^2090811123 is an apocalyptic number.

2090811123 is a deficient number, since it is larger than the sum of its proper divisors (1041103845).

2090811123 is an frugal number, since it uses more digits than its factorization.

2090811123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604176 (or 8604164 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2090811123 is about 45725.3881667504. The cubic root of 2090811123 is about 1278.7086428950.

The spelling of 2090811123 in words is "two billion, ninety million, eight hundred eleven thousand, one hundred twenty-three".