2123450502 has 16 divisors (see below), whose sum is σ = 4247802432. Its totient is φ = 707666600.

The previous prime is 2123450491. The next prime is 2123450509. The reversal of 2123450502 is 2050543212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123450509) 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, 4728 + ... + 65339.

It is an arithmetic number, because the mean of its divisors is an integer number (265487652).

Almost surely, 2^2123450502 is an apocalyptic number.

2123450502 is an abundant number, since it is smaller than the sum of its proper divisors (2124351930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123450502 is a wasteful number, since it uses less digits than its factorization.

2123450502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75123.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2123450502 is about 46080.9125560682. The cubic root of 2123450502 is about 1285.3282334101.

Adding to 2123450502 its reverse (2050543212), we get a palindrome (4173993714).

The spelling of 2123450502 in words is "two billion, one hundred twenty-three million, four hundred fifty thousand, five hundred two".