2148123810 has 32 divisors (see below), whose sum is σ = 5891997312. Its totient is φ = 490999680.

The previous prime is 2148123797. The next prime is 2148123821. The reversal of 2148123810 is 183218412.

It is a super-2 number, since 2×2148123810² = 9228871806177832200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5114371 + ... + 5114790.

It is an arithmetic number, because the mean of its divisors is an integer number (184124916).

Almost surely, 2^2148123810 is an apocalyptic number.

2148123810 is an abundant number, since it is smaller than the sum of its proper divisors (3743873502).

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

2148123810 is a wasteful number, since it uses less digits than its factorization.

2148123810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229178.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 2148123810 is about 46347.8565847440. The cubic root of 2148123810 is about 1290.2873405948.

The spelling of 2148123810 in words is "two billion, one hundred forty-eight million, one hundred twenty-three thousand, eight hundred ten".