4202123551 has 2 divisors, whose sum is σ = 4202123552. Its totient is φ = 4202123550.

The previous prime is 4202123539. The next prime is 4202123587. The reversal of 4202123551 is 1553212024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4202123551 - 2⁷ = 4202123423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4202123521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101061775 + 2101061776.

It is an arithmetic number, because the mean of its divisors is an integer number (2101061776).

Almost surely, 2^4202123551 is an apocalyptic number.

4202123551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202123551 is an equidigital number, since it uses as much as digits as its factorization.

4202123551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4202123551 is about 64823.7884653466. The cubic root of 4202123551 is about 1613.7005206864.

Adding to 4202123551 its reverse (1553212024), we get a palindrome (5755335575).

The spelling of 4202123551 in words is "four billion, two hundred two million, one hundred twenty-three thousand, five hundred fifty-one".