1102406623 has 2 divisors, whose sum is σ = 1102406624. Its totient is φ = 1102406622.

The previous prime is 1102406611. The next prime is 1102406639. The reversal of 1102406623 is 3266042011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102406623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102406663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551203311 + 551203312.

It is an arithmetic number, because the mean of its divisors is an integer number (551203312).

Almost surely, 2^1102406623 is an apocalyptic number.

1102406623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102406623 is an equidigital number, since it uses as much as digits as its factorization.

1102406623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1102406623 is about 33202.5092877029. The cubic root of 1102406623 is about 1033.0323880355.

Adding to 1102406623 its reverse (3266042011), we get a palindrome (4368448634).

The spelling of 1102406623 in words is "one billion, one hundred two million, four hundred six thousand, six hundred twenty-three".