3020123402 has 4 divisors (see below), whose sum is σ = 4530185106. Its totient is φ = 1510061700.

The previous prime is 3020123401. The next prime is 3020123411. The reversal of 3020123402 is 2043210203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2043210203 = 463 ⋅4412981.

It can be written as a sum of positive squares in only one way, i.e., 2149342321 + 870781081 = 46361^2 + 29509^2 .

It is a super-2 number, since 2×3020123402² = 18242290726616107208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3020123401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755030849 + ... + 755030852.

Almost surely, 2^3020123402 is an apocalyptic number.

3020123402 is a deficient number, since it is larger than the sum of its proper divisors (1510061704).

3020123402 is a wasteful number, since it uses less digits than its factorization.

3020123402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510061703.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3020123402 is about 54955.6494093191. The cubic root of 3020123402 is about 1445.4671608866.

Adding to 3020123402 its reverse (2043210203), we get a palindrome (5063333605).

The spelling of 3020123402 in words is "three billion, twenty million, one hundred twenty-three thousand, four hundred two".