51123462033 has 16 divisors (see below), whose sum is σ = 77955424256. Its totient is φ = 29193529680.

The previous prime is 51123462023. The next prime is 51123462043. The reversal of 51123462033 is 33026432115.

It is an interprime number because it is at equal distance from previous prime (51123462023) and next prime (51123462043).

It is not a de Polignac number, because 51123462033 - 2⁸ = 51123461777 is a prime.

It is a super-2 number, since 2×51123462033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51123462023) 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, 796591 + ... + 858372.

It is an arithmetic number, because the mean of its divisors is an integer number (4872214016).

Almost surely, 2^51123462033 is an apocalyptic number.

It is an amenable number.

51123462033 is a deficient number, since it is larger than the sum of its proper divisors (26831962223).

51123462033 is a wasteful number, since it uses less digits than its factorization.

51123462033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656444.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 51123462033 its reverse (33026432115), we get a palindrome (84149894148).

The spelling of 51123462033 in words is "fifty-one billion, one hundred twenty-three million, four hundred sixty-two thousand, thirty-three".