103523449 has 2 divisors, whose sum is σ = 103523450. Its totient is φ = 103523448.

The previous prime is 103523429. The next prime is 103523473. The reversal of 103523449 is 944325301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103124025 + 399424 = 10155^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 103523449 - 2¹³ = 103515257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103523449.

It is not a weakly prime, because it can be changed into another prime (103523429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51761724 + 51761725.

It is an arithmetic number, because the mean of its divisors is an integer number (51761725).

Almost surely, 2^103523449 is an apocalyptic number.

It is an amenable number.

103523449 is a deficient number, since it is larger than the sum of its proper divisors (1).

103523449 is an equidigital number, since it uses as much as digits as its factorization.

103523449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 103523449 is about 10174.6473648967. The cubic root of 103523449 is about 469.5475485865.

The spelling of 103523449 in words is "one hundred three million, five hundred twenty-three thousand, four hundred forty-nine".