2420151533123 has 4 divisors (see below), whose sum is σ = 2525375512848. Its totient is φ = 2314927553400.

The previous prime is 2420151533087. The next prime is 2420151533131. The reversal of 2420151533123 is 3213351510242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2420151533123 is a prime.

It is a super-2 number, since 2×2420151533123² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2420151533123.

It is not an unprimeable number, because it can be changed into a prime (2420151553123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52611989828 + ... + 52611989873.

It is an arithmetic number, because the mean of its divisors is an integer number (631343878212).

Almost surely, 2^{2420151533123} is an apocalyptic number.

2420151533123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2420151533123 is a deficient number, since it is larger than the sum of its proper divisors (105223979725).

2420151533123 is a wasteful number, since it uses less digits than its factorization.

2420151533123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105223979724.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 2420151533123 in words is "two trillion, four hundred twenty billion, one hundred fifty-one million, five hundred thirty-three thousand, one hundred twenty-three".