2123497 has 8 divisors (see below), whose sum is σ = 2267360. Its totient is φ = 1982880.

The previous prime is 2123491. The next prime is 2123557. The reversal of 2123497 is 7943212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2123497 - 2⁷ = 2123369 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622 + ... + 2152.

It is an arithmetic number, because the mean of its divisors is an integer number (283420).

2^2123497 is an apocalyptic number.

It is an amenable number.

2123497 is a deficient number, since it is larger than the sum of its proper divisors (143863).

2123497 is a wasteful number, since it uses less digits than its factorization.

2123497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623.

The product of its digits is 3024, while the sum is 28.

The square root of 2123497 is about 1457.2223577752. Note that the first 3 decimals coincide. The cubic root of 2123497 is about 128.5337615115.

The spelling of 2123497 in words is "two million, one hundred twenty-three thousand, four hundred ninety-seven".